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Just thought I'd share some potentially useful information for other users as I've gained so much knowledge from these forums
I've got an L2 GSX-R600 Em Pro ECU and race loom.
I don't have any documentation or the data cable, however Yoshimura kindly sent me a copy of the software - refer below
The battle I've been having is communicating with the ECU at all, not getting any response whatsoever using the EMPro software
SOLVED FINALLY!
NOTE - THIS IS FOR EM PRO CONNECTIVITY ONLY, as so far I have finally received a response from the ECU
Using the schematic here:
www.gixxer.com
I have an FT232RL. - this one to be precise
www.jaycar.com.au
OS is Win XP SP2 - it's actually running via Virtualbox [which was a yet another variable that I thought was causing me problems - it wasn't an issue as it turns out], VirtualBox also makes it much simpler to just load up XP or another OS without the hassle of dual booting or having an old dedicated machine to be able to do this.
I was trying various port settings - it's working with all settings at default with one exception - the Yoshimura software sets the data rate at 4800 - see screenshots
Port settings - NOTE, looking into the possible advanced settings for some things which would prevent communication - see screenshot - these are default settings for this chip/driver
One important point to make is the COM port should be set between COM 1 - COM 4, as I had tried various USB to serial devices, there were other unused [disconnected devices on the system] ALSO some drivers automatically loaded the COM ports into the higher range, COM 13 was common among the other adapters I tried and COM ports 1 - 4 were unavailable in the drop down list as a consequence of the previous device driver installations.
Higher numbered COM ports won't work - I cannot find the link right now, but tip was COM 1 - COM 4
This is confirmed by reading the ini files in the Yoshimura\EMPro\Conf directory for the various bikes/ECUs - most have port 1 set in those files.
If those COM ports 1-4 are unavailable for selection, close the above dialog window and go to Device manager main screen -> menu -> show hidden devices - see screenshot
I removed all of the various drivers for COM ports and related USB devices and started from scratch, installing just the driver for the FT232RL
This setting for the USB serial converter is also default for the driver with load VCP ticked as set by the driver installation - see screenshot
In summation - the only setting which MAY need to be changed is the COM port number - noting that I haven't read anything from the ECU as yet, just established communications.
Onto the actual cabling - I was trying the schematic linked above in the K7/K8 GSXR1000 ECU flashing thread for the connections at the USB -> serial connector
FT232RL - CTS -> ECU pin 17
FT232RL - RXD -> ECU pin 15
FT232RL - TDX -> ECU pin 16
FT232RL - RTS -> ECU pin 29 + 5 volts
I read about similar issues here regarding EM Pro -> ECU communications
www.gixxer.com
Now almost accidentally [damned happy accident if you ask me] I removed the 5 volts from pin 29 and didn't reconnect the wire properly, so there was no connection between FT232RL RTS and ECU pin 29 - I actually received a response from the ECU!
So I had the following connections
FT232RL - CTS via 1K resistor -> ECU pin 17
FT232RL - RXD -> ECU pin 15
FT232RL - TXD -> ECU pin 16
I can see the USB -> serial adapter communicating with the ECU [LED's flashing] - something that it wasn't doing at all previously
I get this response - See screenshot
I have downloaded the correct GSD files for the ECU from the Yoshimura website and placed it into a folder 11GSX-R600 folder within the \Data directory.
That isn't the issue.
However, the issue I have is the version of the EM Pro software is 1.0.30 and it doesn't have the correct files in the \Conf directory for my ECU - they would likely be 11GSXR600.ini and 11GSXR600.GSZ, which is a binary file.
If anyone has a working version of the EM Pro software with those files in the Yoshimura\EMPro\Conf directory that they can share I can confirm correct communication as far as reading the ECU MAPs and other settings.
I hope the above helps someone, if it wasn't raining cats and dogs here all weekend I would have given up on this two days ago.
Glenn
I've got an L2 GSX-R600 Em Pro ECU and race loom.
I don't have any documentation or the data cable, however Yoshimura kindly sent me a copy of the software - refer below
The battle I've been having is communicating with the ECU at all, not getting any response whatsoever using the EMPro software
SOLVED FINALLY!
NOTE - THIS IS FOR EM PRO CONNECTIVITY ONLY, as so far I have finally received a response from the ECU
Using the schematic here:

K7/K8 GSXR1000 ECU Flashing
:hammer:banghead I HAVE A k7 GIXXER 1000... BUT IT IS WAY MORE COMPLICATED TO MODIFY THROUGH ECU EDITOR THAN MY GEN II. PARTIALLY BECAUSE I HAVE NOT FLASHED ANYTHING IN ABOUT 16 MONTHS. WHEN I ENABLE THE 2 STEP, THEN IT WILL CUT TO THE RPM I SET ONLY WHEN CLUTCH IS ENGAGE AND AT FULL...
Arduino Compatible USB to Serial Adaptor Module | Jaycar Electronics
MODULE ADPTR USB - SERIAL ARDUINO COMP
OS is Win XP SP2 - it's actually running via Virtualbox [which was a yet another variable that I thought was causing me problems - it wasn't an issue as it turns out], VirtualBox also makes it much simpler to just load up XP or another OS without the hassle of dual booting or having an old dedicated machine to be able to do this.
I was trying various port settings - it's working with all settings at default with one exception - the Yoshimura software sets the data rate at 4800 - see screenshots
Port settings - NOTE, looking into the possible advanced settings for some things which would prevent communication - see screenshot - these are default settings for this chip/driver
One important point to make is the COM port should be set between COM 1 - COM 4, as I had tried various USB to serial devices, there were other unused [disconnected devices on the system] ALSO some drivers automatically loaded the COM ports into the higher range, COM 13 was common among the other adapters I tried and COM ports 1 - 4 were unavailable in the drop down list as a consequence of the previous device driver installations.
Higher numbered COM ports won't work - I cannot find the link right now, but tip was COM 1 - COM 4
This is confirmed by reading the ini files in the Yoshimura\EMPro\Conf directory for the various bikes/ECUs - most have port 1 set in those files.
If those COM ports 1-4 are unavailable for selection, close the above dialog window and go to Device manager main screen -> menu -> show hidden devices - see screenshot
I removed all of the various drivers for COM ports and related USB devices and started from scratch, installing just the driver for the FT232RL
This setting for the USB serial converter is also default for the driver with load VCP ticked as set by the driver installation - see screenshot
In summation - the only setting which MAY need to be changed is the COM port number - noting that I haven't read anything from the ECU as yet, just established communications.
Onto the actual cabling - I was trying the schematic linked above in the K7/K8 GSXR1000 ECU flashing thread for the connections at the USB -> serial connector
FT232RL - CTS -> ECU pin 17
FT232RL - RXD -> ECU pin 15
FT232RL - TDX -> ECU pin 16
FT232RL - RTS -> ECU pin 29 + 5 volts
I read about similar issues here regarding EM Pro -> ECU communications

EMPRO Data Cable for K7
We are having problems connecting EM Pro software to ECU. Software 1.0.5.0 and usb drivers for 32930-21HR0 data cable should be working. Do you have to change usb port settings etc.? We tried on two different bikes and with different laptops (one with Win XP). K7 1000 and K9 1000, both bikes...
Now almost accidentally [damned happy accident if you ask me] I removed the 5 volts from pin 29 and didn't reconnect the wire properly, so there was no connection between FT232RL RTS and ECU pin 29 - I actually received a response from the ECU!
So I had the following connections
FT232RL - CTS via 1K resistor -> ECU pin 17
FT232RL - RXD -> ECU pin 15
FT232RL - TXD -> ECU pin 16
I can see the USB -> serial adapter communicating with the ECU [LED's flashing] - something that it wasn't doing at all previously
I get this response - See screenshot
I have downloaded the correct GSD files for the ECU from the Yoshimura website and placed it into a folder 11GSX-R600 folder within the \Data directory.
That isn't the issue.
However, the issue I have is the version of the EM Pro software is 1.0.30 and it doesn't have the correct files in the \Conf directory for my ECU - they would likely be 11GSXR600.ini and 11GSXR600.GSZ, which is a binary file.
If anyone has a working version of the EM Pro software with those files in the Yoshimura\EMPro\Conf directory that they can share I can confirm correct communication as far as reading the ECU MAPs and other settings.
I hope the above helps someone, if it wasn't raining cats and dogs here all weekend I would have given up on this two days ago.
Glenn